/* ══════════════════════════════════
   blog.css — Manuel Paredes Blog
   Versión 2.0 — Mayo 2026
══════════════════════════════════ */

/* ── Variables ── */
:root {
  --green:        #5DBB63;
  --green-dark:   #3A9940;
  --green-bg:     #EBF7EC;
  --green-mid:    #B8E4BB;
  --lime:         #d9fc67;
  --text:         #141410;
  --text-mid:     #4A4A44;
  --text-light:   #888880;
  --bg:           #F8F8F6;
  --surface:      #FFFFFF;
  --border:       #E4E4E2;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.05);
  --header-h:     64px;
  --max-w:        1080px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.7;
  padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════════
   HEADER
══════════════════════════════════ */
.blog-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h); z-index: 100;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.blog-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}
.blog-header-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.blog-header-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--green);
  overflow: hidden; flex-shrink: 0;
  background: var(--green-bg);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.blog-header-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.blog-header-avatar-fallback {
  display: none;
  font-size: 14px; font-weight: 800;
  color: var(--green-dark);
}
.blog-header-name { display: flex; flex-direction: column; }
.blog-header-name-main {
  font-size: 15px; font-weight: 700;
  color: var(--text); line-height: 1.2;
}
.blog-header-name-sub {
  font-size: 10px; font-weight: 400;
  color: var(--text-light); letter-spacing: 0.05em;
}
.blog-header-nav {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
}
.blog-nav-link {
  font-size: 14px; font-weight: 500;
  color: var(--text-mid); text-decoration: none;
  padding: 6px 12px; border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.blog-nav-link:hover { background: var(--bg); color: var(--text); }
.blog-nav-link.active { color: var(--green-dark); font-weight: 700; }
.blog-header-cta {
  background: var(--green); color: #fff !important;
  padding: 8px 14px; border-radius: 8px;
  font-size: 12.5px; font-weight: 700;
  font-family: 'Poppins', sans-serif;
  text-decoration: none; white-space: nowrap; flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(93,187,99,0.3);
  transition: background 0.2s, transform 0.15s;
}
.blog-header-cta:hover { background: var(--green-dark); transform: translateY(-1px); }

/* ══════════════════════════════════
   HOME — LISTA DE POSTS
══════════════════════════════════ */
.blog-home {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.blog-home-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.blog-home-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green-bg); border: 1.5px solid var(--green-mid);
  border-radius: 20px; padding: 5px 14px 5px 10px;
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--green-dark); margin-bottom: 20px;
}
.blog-home-eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
}
.blog-home-title {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.1; color: var(--text); margin-bottom: 16px;
}
.blog-home-desc {
  font-size: 17px; color: var(--text-mid); line-height: 1.7;
}

/* Grid de posts */
.blog-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.blog-post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  text-decoration: none;
  color: var(--text);
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative; overflow: hidden;
}
.blog-post-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--green-mid));
  opacity: 0; transition: opacity 0.2s;
}
.blog-post-card:hover {
  border-color: var(--green-mid);
  box-shadow: 0 6px 28px rgba(93,187,99,0.12), 0 1px 4px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}
.blog-post-card:hover::before { opacity: 1; }
.blog-post-meta {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.blog-post-date {
  font-size: 12px; color: var(--text-light); font-weight: 500;
}
.blog-post-tag {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--green-dark);
  background: var(--green-bg); border: 1px solid var(--green-mid);
  padding: 2px 8px; border-radius: 99px;
}
.blog-post-title {
  font-size: 21px; font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.2;
  color: var(--text);
}
.blog-post-excerpt {
  font-size: 15px; color: var(--text-light);
  line-height: 1.65; flex: 1;
}
.blog-post-cta {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 14px; font-weight: 700;
  color: var(--green-dark);
  margin-top: 4px;
  transition: gap 0.2s;
}
.blog-post-card:hover .blog-post-cta { gap: 9px; }

/* ══════════════════════════════════
   SINGLE POST — ARTÍCULO
══════════════════════════════════ */
.blog-article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}
.blog-article-header { margin-bottom: 40px; }
.blog-article-meta {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 20px;
}
.blog-article-tag {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--green-dark);
  background: var(--green-bg); border: 1px solid var(--green-mid);
  padding: 3px 10px; border-radius: 99px;
}
.blog-article-date {
  font-size: 13px; color: var(--text-light); font-weight: 500;
}
.blog-article-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.06; color: var(--text); margin-bottom: 16px;
}
.blog-article-desc {
  font-size: 18px; color: var(--text-mid);
  line-height: 1.65; max-width: 600px;
}

/* Contenido del artículo */
.blog-article-content { font-size: 17px; line-height: 1.8; color: var(--text-mid); }
.blog-article-content p { margin-bottom: 24px; }
.blog-article-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  font-weight: 800; letter-spacing: -0.02em;
  color: var(--text); margin: 48px 0 16px; line-height: 1.2;
}
.blog-article-content h3 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--text); margin: 32px 0 12px;
}
.blog-article-content ul,
.blog-article-content ol {
  padding-left: 24px; margin-bottom: 24px;
}
.blog-article-content li { margin-bottom: 8px; }
.blog-article-content strong { color: var(--text); font-weight: 700; }
.blog-article-content em { font-style: italic; }
.blog-article-content a {
  color: var(--green-dark); font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--green-mid);
  text-underline-offset: 3px; transition: color 0.2s;
}
.blog-article-content a:hover { color: var(--green); }
.blog-article-content blockquote {
  border-left: 3px solid var(--green);
  padding: 12px 20px; margin: 28px 0;
  background: var(--green-bg); border-radius: 0 10px 10px 0;
  font-size: 17px; color: var(--text-mid); font-style: italic;
}
.blog-article-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 5px;
  padding: 2px 6px; color: var(--green-dark);
}
.blog-article-content pre {
  background: var(--text); border-radius: 10px;
  padding: 20px 24px; margin: 28px 0; overflow-x: auto;
}
.blog-article-content pre code {
  background: none; border: none; padding: 0;
  color: #e2e8f0; font-size: 14px;
}
.blog-article-content img {
  width: 100%; border-radius: 12px;
  margin: 28px 0; border: 1px solid var(--border);
}
.blog-article-content hr {
  border: none; border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* CTA inline al final del artículo */
.blog-article-cta {
  background: #1A2A1A; border-radius: 16px;
  padding: 36px 32px; margin-top: 56px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.blog-article-cta-text { color: rgba(255,255,255,0.85); font-size: 17px; font-weight: 600; line-height: 1.4; }
.blog-article-cta-text span { color: var(--green); }
.blog-article-cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: #fff !important;
  padding: 14px 24px; border-radius: 9px;
  font-size: 18px; font-weight: 700;
  font-family: 'Poppins', sans-serif; text-decoration: none;
  white-space: nowrap; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(93,187,99,0.35);
  transition: background 0.2s, transform 0.15s;
}
.blog-article-cta-btn:hover { background: var(--green-dark); transform: translateY(-2px); }

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 768px) {
  .blog-header-nav { display: none; }
  .blog-home { padding: 48px 20px 72px; }
  .blog-posts-grid { grid-template-columns: 1fr; }
  .blog-article-wrap { padding: 40px 20px 72px; }
  .blog-article-cta { flex-direction: column; align-items: flex-start; }
  .blog-article-cta-btn { width: 100%; justify-content: center; }
}